X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=lib%2FPublicInbox%2FContentId.pm;h=65691593abfcc36cb3cafef29420d627b84d07d6;hp=0c4a8678beb02fa4db436ca12c55eda6bc0edc79;hb=2a56039ff6a6a8d0b04437b5463c172ecab002c5;hpb=36db110eb3befcb28627d0f3d2d618aa3f1bf76c

diff --git a/lib/PublicInbox/ContentId.pm b/lib/PublicInbox/ContentId.pm
index 0c4a8678..65691593 100644
--- a/lib/PublicInbox/ContentId.pm
+++ b/lib/PublicInbox/ContentId.pm
@@ -64,8 +64,7 @@ sub content_digest ($) {
 	# if we got here, we've already got Message-ID reuse
 	my %seen = map { $_ => 1 } @{mids($hdr)};
 	foreach my $mid (@{references($hdr)}) {
-		next if $seen{$mid};
-		$dig->add("ref\0$mid\0");
+		$dig->add("ref\0$mid\0") unless $seen{$mid}++;
 	}
 
 	# Only use Sender: if From is not present